dqts Senior Member Joined: 12 Nov 2011 Posts: 45 Location: Federal way, wa Expertise: I love coffee
Espresso: Rancilio S20 midi de Grinder: Cunill Brasil, Capresso... Vac Pot: Aeropress? Drip: Chemex, French Press Roaster: Gene Cafe
Posted Thu Mar 7, 2013, 4:42pm Subject: Re: Rancilio s20 midi de
Just got around to checking it. It does turn on. Sometimes a small amount of water comes out but it's mainly steam. Water does come from the drain tray when it is on. The second group head has no problems.
Posted Mon Mar 18, 2013, 8:43pm Subject: Re: Rancilio s20 midi de
If you mean that water is going into (rather than from) the drain pan when you try to pull a shot, then you may have an obstruction in the heat exchanger. Most of the water pumped into the exchanger gets diverted to the drain and what little makes it through gets super-heated and turns into steam.
The obvious first step is to descale the heat exchanger.
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